diff --git a/src/applications/harbormaster/editor/HarbormasterBuildTransactionEditor.php b/src/applications/harbormaster/editor/HarbormasterBuildTransactionEditor.php
--- a/src/applications/harbormaster/editor/HarbormasterBuildTransactionEditor.php
+++ b/src/applications/harbormaster/editor/HarbormasterBuildTransactionEditor.php
@@ -14,7 +14,6 @@
   public function getTransactionTypes() {
     $types = parent::getTransactionTypes();
 
-    $types[] = HarbormasterBuildTransaction::TYPE_CREATE;
     $types[] = HarbormasterBuildTransaction::TYPE_COMMAND;
 
     return $types;
@@ -25,7 +24,6 @@
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case HarbormasterBuildTransaction::TYPE_CREATE:
       case HarbormasterBuildTransaction::TYPE_COMMAND:
         return null;
     }
@@ -38,8 +36,6 @@
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case HarbormasterBuildTransaction::TYPE_CREATE:
-        return true;
       case HarbormasterBuildTransaction::TYPE_COMMAND:
         return $xaction->getNewValue();
     }
@@ -52,8 +48,6 @@
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case HarbormasterBuildTransaction::TYPE_CREATE:
-        return;
       case HarbormasterBuildTransaction::TYPE_COMMAND:
         return $this->executeBuildCommand($object, $xaction);
     }
@@ -98,7 +92,6 @@
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case HarbormasterBuildTransaction::TYPE_CREATE:
       case HarbormasterBuildTransaction::TYPE_COMMAND:
         return;
     }
diff --git a/src/applications/harbormaster/storage/HarbormasterBuildTransaction.php b/src/applications/harbormaster/storage/HarbormasterBuildTransaction.php
--- a/src/applications/harbormaster/storage/HarbormasterBuildTransaction.php
+++ b/src/applications/harbormaster/storage/HarbormasterBuildTransaction.php
@@ -3,7 +3,6 @@
 final class HarbormasterBuildTransaction
   extends PhabricatorApplicationTransaction {
 
-  const TYPE_CREATE = 'harbormaster:build:create';
   const TYPE_COMMAND = 'harbormaster:build:command';
 
   public function getApplicationName() {
@@ -21,10 +20,6 @@
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_CREATE:
-        return pht(
-          '%s created this build.',
-          $this->renderHandleLink($author_phid));
       case self::TYPE_COMMAND:
         switch ($new) {
           case HarbormasterBuildCommand::COMMAND_RESTART:
@@ -55,8 +50,6 @@
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_CREATE:
-        return 'fa-plus';
       case self::TYPE_COMMAND:
         switch ($new) {
           case HarbormasterBuildCommand::COMMAND_RESTART:
@@ -80,8 +73,6 @@
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_CREATE:
-        return 'green';
       case self::TYPE_COMMAND:
         switch ($new) {
           case HarbormasterBuildCommand::COMMAND_PAUSE: